摘要:
To provide a packaged coffee beverage, which contains chlorogenic acids at high concentration, has good flavor and taste, and is suppressed in the occurrence of sediment during long-term storage. A packaged coffee beverage subjected to heat sterilization treatment, the beverage comprising (A) monocaffeoylquinic acid, (B) feruloylquinic acid and (C) dicaffeoylquinic acid, wherein (a) a total content of the ingredients (A), (B) and (C) contained in dissolved states in the beverage is from 0.14 to 4% by weight based on the beverage, and the beverage comprises (b) 80% by weight or more of water, (c) magnesium and sodium at a Mg/Na weight ratio of from 0.04 to 1, (d) a coffee extract obtained from roasted coffee beans having an L value of form 16 to 25, and (e) from 0.0024 to 0.0122% by weight of brown color in terms of Food Yellow No. 4.
摘要:
Packaged beverages contain the following ingredients: (A) from 0.07 to 0.45 wt. % of non-polymer catechins, (B) from 0.06 to 0.5 wt. % of ascorbic acid or a metal salt thereof, and (C) non-polymer catechingallates. A content weight ratio (C/A) of the non-polymer catechingallates (C) to the non-polymer catechins (A) is from 0.8 to 1.0, and the packaged beverages have a pH of from 4.5 to 7. Another type of packaged beverages contain the following ingredients: (A) from 0.05 to 0.45 wt. % of non-polymer catechins, and (D) from 0.07 to 0.49 wt. % of β-cyclodextrin. The non-polymer catechins (A) contain (C) non-polymer catechingallates at a weight ratio (C/A) of from 0.7 to 1.0 relative to the non-polymer catechins (A).
摘要:
A catalyst supporting method for a polymer electrolyte fuel cell includes steps of a making step for making a layered unit by arranging, in sequential order, a gas diffusion layer of an anode, a catalyst layer of the anode, a proton-conductive polymer membrane, a catalyst layer of a cathode, and a gas diffusion layer of the cathode, a connecting step for electrically connecting the catalyst layer of the anode of the layered unit to the catalyst layer of the cathode of the layered unit through an electric conductive path, and a catalyst-supporting step for generating a catalyst metal by a process of reduction of a precursor of the catalyst metal included in one of the anode and the cathode, by oxidation induced at the other of the anode and the cathode, and reduction at the one of the anode and the cathode with electrons generated during the oxidation.
摘要:
Provided is a packaged emulsified beverage having (A) a diglyceride having, as a fatty acid constituent thereof, 15 to 90 wt. % of an &ohgr;3-unsaturated fatty acid and (B): a lipid selected from phospholipids and lypoproteins. The packaged emulsified beverage according to the present invention maintains good taste even after sterilization and at the same time is excellent in long shelf life.
摘要:
Disclosed is a container-packed black coffee beverage which has an excellent hypertension ameliorating effect and can be ingested in an ordinary manner. A container-packed black coffee satisfying the following requirements (A) to (C): (A) a chlorogenic acid: 0.01 to 1% by mass; (B) hydroxyhydroquinone: 0.1% by mass or less relative to the mass of the chlorogenic acid; and (C) the chlorogenic acid/a coffee solid content ≧0.025 (by mass).
摘要:
The present invention provides refined roasted coffee beans having a Hunter L value of 10 to 30 and a hydroxyhydroquinone content of not higher than 30 mg/kg by contacting an aqueous solvent with raw material roasted coffee beans. The invention also provides a process for producing refined roasted coffee beans, which includes contacting raw material roasted coffee beans having a Hunter L value of 12 to 35, with coffee bean-derived extract-containing water selected from water containing an extract derived from roasted coffee beans having a Hunter L value of 40 or more and water containing an extract derived from raw coffee beans.
摘要:
A packaged coffee drink containing chlorogenic acid in high concentration and having excellent flavor and suppressed precipitation when stored for a prolonged time is provided. The heat-sterilized packaged coffee drink contains (A) monocaffeoylquinic acid, (B) ferulaquinic acid and (C) dicaffeoylquinic acid, the drink containing (i) a total of from 0.19 to 4% by mass of the components (A), (B) and (C) in a dissolved state, (ii) 80% by mass or more of water and (iii) from 0.005 to 0.028% by mass of a brown colorant in terms of edible yellow dye No. 4, wherein (iv) the mass ratio of magnesium/sodium is from 0.04 to 1, and (v) the mass ratio of quinic acid/brown colorant is from 0.5 to 30.
摘要:
Provided is a beverage e.g. tea, containing a high concentration of catechins and at the same time having an improved taste with alleviated bitterness and astringency and smooth throat-feel upon drinking. The beverage has the following non-polymer component (A), another non-polymer component (B), and component (C): (A) non-epi-catechins, (B) epi-catechins, (C) water-soluble polymers; and has, per 500 mL of the beverage, these components in amounts satisfying the following equations: (i) (A)+(B)=300 to 2500 mg; (ii) (A)=70 to 2250 mg; (iii) (A)/(B) (by weight)=0.25 to 9.0; and (iv) (C)/((A)+(B)) (by weight)=1/20 to 10/1.
摘要:
The process for preparing an alkylene oxide adduct, including the steps of feeding an organic compound having active hydrogen and an alkylene oxide to a reaction column packed with a solid catalyst, and carrying out addition reaction of the organic compound having active hydrogen with an alkylene oxide in a gas-liquid fixed bed reaction, wherein the alkylene oxide is in a state of gas and the organic compound having active hydrogen is in a state of liquid.
摘要:
Provided is a concentrated coffee composition containing chlorogenic acids at a high concentration and having good taste or flavor. The concentrated coffee composition of the present invention contains the following components (A) and (B): 100 to 300 mg/g of chlorogenic acids (A) in dry solids content; and not more than 0.33 mg/g of 5-hydroxymethylfurfural (B) in dry solids content, wherein the dry solids content is 10 to 100 mass %.